Table 1

Description of baseline risk factors by cardiovascular events

Cardiovascular events
All subjectsYesNo
(n=1592)(n=273)(n=1319)
mean (SD)mean (SD)mean (SD)p Value
Age (y)64.9  (5.7)66.9  (5.5)64.4  (5.6)<0.0001
Sex, male (%)516847<0.0001
Smoking (pack-years)17.2 (22.0)23.1 (23.4)15.9 (21.5)0.0001
Systolic BP (mm Hg)144 (24)152 (27)143 (23)<0.0001
LDL Cholesterol (mmol/l)5.28 (1.22)5.42 (1.22)5.25 (1.22)0.037
HDL Cholesterol (mmol/l)1.44 (0.41)1.31 (0.38)1.47 (0.41)<0.0001
Fibrinogen (g/l)2.72 (0.69)2.94 (0.74)2.67 (0.67)<0.0001
Plasma viscosity (mPa.s)1.33 (0.09)1.36 (0.09)1.33 (0.09)<0.0001
Whole blood viscosity (mPa.s)3.58 (0.58)3.75 (0.60)3.55 (0.57)<0.0001
Angina (%)163013<0.0001
  • The p values presented are for two samplet tests comparing means or χ2tests comparing percentages for those subjects who did and did not experience any cardiovascular events, except for pack–years of smoking where the p value is from the Wilcoxon rank sum test.